round javascript number code example

Example 1: rounding off in javascript

var avg=10.55;
console.log(Math.round(avg)); //Prints 11

Example 2: round down the number javascript

+3.5 => +3.0
-3.5 => -4.0

+3.5 => +3.0 using Math.floor()
-3.5 => -3.0 using Math.ceil()